<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>欢迎页</title>
    <style>
        * {
            margin: 0;
        }

        html, body {
            width: 100%;
            height: 100%;
        }
    </style>
</head>
<body>
<img height="100%" src="./imgs/guet.jpg" width="100%">
</body>
</html>